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This study was planned to determine the cardiovascular effects of sāvitrī prāņāyāma, a rhythmical, slow and deep breathing technique done in sitting and supine positions. Heart rate, systolic and diastolic blood pressureĀ were recorded in 11 female subjects before and after 5 minutes of normal breathing and sāvitrī in sitting and supine positions. Overall comparisons of Δ% changes following sāvitrī and normal breathing in both sitting and supine positions revealed significant difference betvveen groups with regard to heart rate, diastolic, mean pressure, rate-pressure product and double product. In sitting positions the Δ% was lower following sāvitrī whereas in supine position the Δ% was higher following sāvitrī. It is concluded that the practice of sāvitrī in sitting position has beneficial cardiovascular effects. [ABSTRACT FROM AUTHOR]